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CVE-2026-6684

🗓️ 01 Jul 2026 13:45:03Reported by runZeroType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

CVE-2026-6684 affects FatFs prior to R0.16 when GPT scanning is used with FF_LBA64 = 1. The issue stems from an unbounded loop count derived from the GPT header field GPTH_PtNum, leading to extremely long or effectively infinite mount-time scans (...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6684
1 Jul 202613:45
attackerkb
Cvelist
CVE-2026-6684 FatFs Infinite Loop in GPT Partition Scan
1 Jul 202613:45
cvelist
EUVD
EUVD-2026-40994
1 Jul 202613:45
euvd
NVD
CVE-2026-6684
1 Jul 202615:17
nvd
Vulnrichment
CVE-2026-6684 FatFs Infinite Loop in GPT Partition Scan
1 Jul 202613:45
vulnrichment
[
  {
    "vendor": "ChaN",
    "product": "FatFs",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "R0.16",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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01 Jul 2026 18:31Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.6
SSVC
6